# JEE NEET PHYSICS MCQs (Set-4)

**Topics Covered**: Vector Algebra, Motion in a Plane

**Q1: If θ is the angle between two vectors, then the resultant vector is maximum when the value of θ is**

(a) 0°

(b) 90°

(c) 180°

(d) Same in all cases.

**Q2: The change in a vector may occur due to**

(a) Rotation of the frame of reference

(b) Translation of frame of reference

(c) Rotation of vector

(d) Both a and b

**Q3: Acceleration of a particle under projectile motion at the highest point of its trajectory is :**

(a) g

(b) zero

(c) less than g

(d) dependent upon projection velocity